function open_window( filename, option )
{
        win = window.open( filename,'new',option );

        return win
}

function window_open( page, name, top, left, width, height )
{
        window.open( page, name,
        'toolbar=no, location=no, directories=no, status=no, ' +
        'menubar=no, scrollbars=yes, resizable=yes, width=' +
        width + ', height=' + height +
        ', top=' + top + ', left=' + left );
}
function admin_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
  toolbar_str = toolbar ? 'yes' : 'no';
  menubar_str = menubar ? 'yes' : 'no';
  statusbar_str = statusbar ? 'yes' : 'no';
  scrollbar_str = scrollbar ? 'yes' : 'no';
  resizable_str = resizable ? 'yes' : 'no';

  cookie_str = document.cookie;
  cookie_str.toString();

  pos_start  = cookie_str.indexOf(name);
  pos_end    = cookie_str.indexOf('=', pos_start);

  cookie_name = cookie_str.substring(pos_start, pos_end);

  pos_start  = cookie_str.indexOf(name);
  pos_start  = cookie_str.indexOf('=', pos_start);
  pos_end    = cookie_str.indexOf(';', pos_start);
  
  if (pos_end <= 0) pos_end = cookie_str.length;
  cookie_val = cookie_str.substring(pos_start + 1, pos_end);
  if (cookie_name == name && cookie_val  == "done")
    return;

  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}